Here’s how to track and block unauthorised SIMs linked to your Aadhaar number

In 2025, the Department of Telecommunications introduced stricter rules for purchasing SIM cards, to curb fraud and ensure security. With limited SIMs allowed per Aadhaar, it is important to know how many mobile numbers are currently linked to your Aadhaar. How to check active SIMs on your Aadhaar Card The Government of India has launched the Sanchar Saathi portal, which has been designed to provide mobile users with various services, including tracking lost smartphones and identifying active SIM cards linked to Aadhaar. Stricter SIM card regulations by DoT To combat increasing cases of fraud and fake calls, DoT has tightened SIM card purchase rules and launched initiatives to deactivate fake numbers. Key measures include: Banning Fraudulent SIM Users: Individuals involved in fraudulent activities using others' Aadhaar-linked SIMs may face a three-year ban on purchasing new SIM cards.